Improved platform for submarine drilling



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JOHN ooDY, or NEW YORK, N. Y.

Letters Patent N 91,911, dated June 29, 1869.

IIVJIPRQ'VEID PLATFORM FOR SBMARINE DRILLING.

The Schedule referred to in these Letten Patent Vand. making part oi the same.

T o 4all lwhom 'it may concern.' "I

Be it known that I, J OHN Goor, ofthe city, connty, and State of .N ew York, have invented a new and improved Platform for Submarine Drilling and I do herebydeclare that the following is a full, clear, and

.exact description thereof, which will enable others skilled in the art to make and use the same, reference being had to the accompanying drawings, forming `part of this specification, in whichin submarine drilling, but which may be used with equal advantage'for other purposes, and which shall be so constructed that it may be readily adjusted, as required; and

lt consists in the construction and combination of the various parts of ,the apparatus, as hereinafter more fully described.

A represents the platform,which is made watertight, and in the form of a scow, so that it 4may be conveniently floated over the place where the drilling is to be done.

In each corner of the scow, or platform A is formed Va hole, into which is fitted, water-tight, a tube, a', projecting up so far above the water-line, that the water cannot dow through them into the scow A.

B are poles, which are let down through the tubes bottom, upon which their lower ends rest.

- To the cross-beams C, near the poles B, are attached pulley-sheaves D, land to the sc-ow, or platform A, directly beneath them, are attached other sheaves E, as shown in figs. 1 and 2. l

F are the ropes which pass around the pulleys of the sheaves D and E, aud the ends of which are attached to a wiudlass or to belaying-cleats.

By this construction,'by drawingupon theA ropes F, the scow, or platform maybe raised out of the water, or to such a height that it will be unaffected by the rise and fall of the water.

The ropes F may all be connected to the same wiudlass, or each rope may have a separate windlass, 'or the said ropes may be operated by hand, as may be desired.

In the bottom of the platform A are formed one or more holes, which, when not in use, should be closed water-tight by caps or other conveniently detachable means. reaching to the bottom or lock, to be drilled and which should be made in sections, so that its length may be adjusted as required. f, t

XVithin the tube G-is placed a smaller tube, H, closed at its lower end with a cap, which should also be made in sections,d and which should also extend to the bottom.

lhe upper end of the tube G should be danged, so that it may be securely bolted to the platform A. Between the tubes G and H is placed a quantity of packing, which is forced down to the bottom of the tubes G and H, and pressed rmlyngainst the bottom, so as to entirely exclude the water by means of the `ling-packing piston I.

kept from dropping down too far by a flange formed V upon its upper end. Y

K-.is a strong cross-bar, through holes in which the piston-rods J pass, and which has a hole in its centre corresponding with the bore of the tube H. p

L are bolts, the headsfof which are securely connected with the platform A, and which pass up through holes in the ends of the cross-bar K. p v

The crossfbar K rests upon adjustable collars M, secured to the piston-rods J, by set-screws or other convenient means. i

Upon the bolts L, above the cross-bar K, are placed nuts N, so that by turning down the said nuts, the cross-bar K, pressing upon the collars M, will force the packing closely against the rock. f

. A drill may then be inserted and worked in the tube H, uniinpeded by the water.

I ,claim as new, and desire to secure by Letters Patent- Y The combination of the exterior tube G, interior tubeH, ring-packing piston I, piston-rods J, adjustable collars M, cross-barili, bolts Laud nuts N, with each other, said partsjbeing constructed and arranged vsubstantially as herein shown and described, and for the purposes set forth.

The above specification of my invention, signed by me, this 17th day of March, 1869.

JOHN BODY.

W'itne'sses:

FRANK BLOCKLEY, JAMES T. GRAHAM.

Through the said hole is passed a tube, G, 

